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eeshow/diff.c (diff_to_canvas): simplify offset calculation

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This commit is contained in:
Werner Almesberger 2016-08-09 12:08:08 -03:00
parent d4e3018c12
commit cc3befe110
1 changed files with 4 additions and 4 deletions
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8
eeshow/diff.c
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@ -343,12 +343,12 @@ void diff_to_canvas(cairo_t *cr, int cx, int cy, float scale,
* be eager to mark with big yellow boxes.
*/
img_old = cro_img(old,
-scale * cx + sw / 2.0 - (2 * xmin - old_xmin) * scale,
-scale * cy + sh / 2.0 - (2 * ymin - old_ymin) * scale,
sw / 2.0 - (cx + 2 * xmin - old_xmin) * scale,
sh / 2.0 - (cy + 2 * ymin - old_ymin) * scale,
sw, sh, scale, &old_cr, &stride);
img_new = cro_img(new,
-scale * cx + sw / 2.0 - (2 * xmin - new_xmin) * scale,
-scale * cy + sh / 2.0 - (2 * ymin - new_ymin) * scale,
sw / 2.0 - (cx + 2 * xmin - new_xmin) * scale,
sh / 2.0 - (cy + 2 * ymin - new_ymin) * scale,
sw, sh, scale, NULL, NULL);
struct diff diff = {